Cheap flights from Australia to Illinois

SYD — ORD
10 Aug — 17 Aug1
Return
1 adult
Economy
From?
To?
Wed 10/8
Wed 17/8

How far in advance should I book a flight from Australia to Illinois?

Users have found that booking a flight from Australia to Illinois at least 61 days early can save you up to 16% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Australia to Illinois for as little as $2,640 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $2,640 for flights departing within the next 3 days.

What is the cheapest month to fly from Australia to Illinois?

Flights from Australia to Illinois lean towards being more expensive in August. Prices are generally better when you fly from Australia to Illinois in May, with the cheapest ticket starting at $1,649.

When is the cheapest time to fly from Australia to Illinois (AU - IL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Illinois as you normally would.

Cheap flights from Australia to Illinois in August, September 2022

The best prices found for Australia to Illinois flights in August, September
14 Sep. - 19 Oct.
SYD

Sydney Kingsford Smith

ORD

Chicago O'Hare Intl

1 stop

20h 51m
ORD

Chicago O'Hare Intl

SYD

Sydney Kingsford Smith

2 stops

44h 35m
$1,644

Air Canada

Pick Dates

Deal found 8/3/22

14 Sep. - 19 Oct.
SYD

Sydney Kingsford Smith

ORD

Chicago O'Hare Intl

2 stops

39h 08m
ORD

Chicago O'Hare Intl

SYD

Sydney Kingsford Smith

2 stops

44h 35m
$1,648

Air Canada

Pick Dates

Deal found 8/3/22

22 Sep. - 27 Sep.
SYD

Sydney Kingsford Smith

ORD

Chicago O'Hare Intl

2 stops

25h 15m
ORD

Chicago O'Hare Intl

SYD

Sydney Kingsford Smith

2 stops

44h 35m
$1,652

Air Canada

Pick Dates

Deal found 8/3/22

Australia to Illinois 2022 flight deals

Cheap flights to Illinois from Australia found for this year
2 Oct. - 17 Oct.
SYD

Sydney Kingsford Smith

ORD

Chicago O'Hare Intl

1 stop

20h 51m
ORD

Chicago O'Hare Intl

SYD

Sydney Kingsford Smith

2 stops

44h 35m
$1,342

Air Canada

Pick Dates

Deal found 8/4/22

2 Oct. - 17 Oct.
SYD

Sydney Kingsford Smith

ORD

Chicago O'Hare Intl

2 stops

25h 15m
ORD

Chicago O'Hare Intl

SYD

Sydney Kingsford Smith

2 stops

44h 35m
$1,349

Air Canada

Pick Dates

Deal found 8/4/22

12 Nov. - 4 Dec.
SYD

Sydney Kingsford Smith

ORD

Chicago O'Hare Intl

2 stops

27h 24m
ORD

Chicago O'Hare Intl

SYD

Sydney Kingsford Smith

2 stops

33h 24m
$1,433

Multiple Airlines

Pick Dates

Deal found 8/5/22

Cheap Air Canada flights from Australia to Illinois

2 Oct. - 17 Oct.
SYD

Sydney Kingsford Smith

ORD

Chicago O'Hare Intl

1 stop

20h 51m
ORD

Chicago O'Hare Intl

SYD

Sydney Kingsford Smith

2 stops

44h 35m
$1,342

Air Canada

Pick Dates

Deal found 8/4/22

2 Oct. - 17 Oct.
SYD

Sydney Kingsford Smith

ORD

Chicago O'Hare Intl

2 stops

25h 15m
ORD

Chicago O'Hare Intl

SYD

Sydney Kingsford Smith

2 stops

44h 35m
$1,349

Air Canada

Pick Dates

Deal found 8/4/22

29 Oct. - 11 Nov.
SYD

Sydney Kingsford Smith

ORD

Chicago O'Hare Intl

1 stop

20h 51m
ORD

Chicago O'Hare Intl

SYD

Sydney Kingsford Smith

2 stops

45h 45m
$1,382

Air Canada

Pick Dates

Deal found 8/2/22

Cheap Qantas Airways flights from Australia to Illinois

31 Jan. - 22 Feb.
MEL

Melbourne

ORD

Chicago O'Hare Intl

1 stop

35h 20m
ORD

Chicago O'Hare Intl

MEL

Melbourne

1 stop

22h 30m
$1,662

Qantas Airways

Pick Dates

Deal found 8/4/22

31 Jan. - 22 Feb.
MEL

Melbourne

ORD

Chicago O'Hare Intl

1 stop

37h 15m
ORD

Chicago O'Hare Intl

MEL

Melbourne

1 stop

22h 30m
$1,667

Qantas Airways

Pick Dates

Deal found 8/3/22

31 Jan. - 22 Feb.
MEL

Melbourne

ORD

Chicago O'Hare Intl

1 stop

37h 15m
ORD

Chicago O'Hare Intl

MEL

Melbourne

1 stop

24h 10m
$1,682

Qantas Airways

Pick Dates

Deal found 8/2/22

Last-minute flights from Australia to Illinois

Late deals on return flights to Illinois from Australia, departing today and this week
13 Aug. - 10 Sep.
MEL

Melbourne

ORD

Chicago O'Hare Intl

2 stops

37h 02m
ORD

Chicago O'Hare Intl

MEL

Melbourne

2 stops

46h 23m
$2,893

United Airlines

Pick Dates

Deal found 8/4/22

13 Aug. - 10 Sep.
MEL

Melbourne

ORD

Chicago O'Hare Intl

2 stops

37h 02m
ORD

Chicago O'Hare Intl

MEL

Melbourne

2 stops

46h 23m
$2,927

United Airlines

Pick Dates

Deal found 8/3/22

13 Aug. - 10 Sep.
MEL

Melbourne

ORD

Chicago O'Hare Intl

2 stops

28h 22m
ORD

Chicago O'Hare Intl

MEL

Melbourne

1 stop

33h 20m
$2,940

United Airlines

Pick Dates

Deal found 8/4/22

One-way flights to Illinois from Australia

The cheapest one-way flights from Australia to Illinois
3 Oct.
SYD

Sydney Kingsford Smith

STL

Lambert-St Louis

3 stops

49h 02m
$920

Multiple Airlines

Pick Dates

Deal found 8/3/22

19 Nov.
SYD

Sydney Kingsford Smith

ORD

Chicago O'Hare Intl

2 stops

46h 57m
$1,034

Multiple Airlines

Pick Dates

Deal found 8/3/22

4 Nov.
SYD

Sydney Kingsford Smith

ORD

Chicago O'Hare Intl

2 stops

36h 25m
$1,044

Multiple Airlines

Pick Dates

Deal found 8/3/22

Related info for your journey

Useful info, stats and facts about Australia to Illinois flights.

Which airlines flying from Australia to Illinois have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Qantas Airways, Air Canada, and Cathay Pacific flying from Australia to Illinois have implemented new flexible cancellation policies.

Can I find flights from Australia to Illinois for under $1,400 on Cheapflights?

Yes, there are multiple flights from Australia to Illinois for under $1,400. The cheapest flight booked recently is on Air Canada for just $1,342, but on average you can expect to pay $1,552.

Are there last-minute flights available from Australia to Illinois for under $2,900?

There are currently 17+ open flights from Australia to Illinois within the next 7 days for less than $2,900.

Destination points for flights from Australia to Illinois

Select to see more specific information for flights from Australia to all places in Illinois

Top 10 airlines flying from Australia to Illinois

The chart below displays the airlines Cheapflights users travelling from Australia to Illinois choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Air New ZealandCheapest$806Average$2,233FlexibilityNo cancel feeOn-time78%COVID-19 safety
Search Air New Zealand flights
American AirlinesCheapest$1,005Average$2,652FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
China EasternCheapest$1,006Average$1,262FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search China Eastern flights
Korean AirCheapest$1,153Average$1,335FlexibilityNo cancel feeOn-time81%COVID-19 safety
Search Korean Air flights
United AirlinesCheapest$1,227Average$1,858FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
Cathay PacificCheapest$1,316Average$1,726FlexibilityNo cancel feeOn-time72%COVID-19 safety
Search Cathay Pacific flights
Air CanadaCheapest$1,354Average$1,970FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
Japan AirlinesCheapest$1,426Average$1,720FlexibilityNo cancel feeOn-time79%COVID-19 safety
Search Japan Airlines flights
ANACheapest$1,482Average$1,854FlexibilityNo cancel feeOn-time80%COVID-19 safety
Search ANA flights
LufthansaCheapest$1,531Average$2,077FlexibilityNo cancel feeOn-time76%COVID-19 safety
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